Probability and Statistics Pre Assessment
Western Governors University
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Probability and Statistics Pre Assessment questions and answers
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---7February 20232022/2023A+
- In a class of 25 students, the following test scores were obtained: 
 
31, 46, 49, 52, 55, 67, 68, 68, 69, 69, 71, 73, 73, 75, 75, 78, 79, 82, 84, 84, 85, 87, 91, 92, 97 
 
Which statement is true about this distribution? CORRECT ANSWERS: The distribution is skewed to the left. 
 
In a class of 25 students, the following test scores were obtained: 
 
51, 59, 59, 59, 67, 68, 68, 69, 69, 71, 73, 73, 75, 75, 78, 79, 82, 84, 85, 85, 87, 91, 92, 93, 93 
 
A histogram of interval width 10 startin...
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